EnergyLabelEU
EN
Costs for 0.283 €/kWh · Eurostat 2026 H1

Monitors · 40″ · 5120×2160 · LED LCD

Japannext JN-5x40

F

Uses less electricity than 3% of the 1,482 monitors, 32–42″ on the EU register. At your selected price (European Union) that is €17 a year, €170 over ten years.

Power, SDR
41.0 W
Typical 31 W
Running cost
€17 / year
4 h a day
Power, HDR
59.0 W
1.4× SDR

Uses more than most comparable models: 97 % of them need less. ShenzhenGuoruitongTechnologyCoLtd G156F, the most efficient alternative on sale, saves about €14 a year. Class F is the most common class in this group (51% of models). In HDR it draws 59.0 W, 1.4 times its SDR power. Of 33 Japannext models in this group, it ranks last.

Where it stands

Rank 1,429 of 1,482 monitors, 32–42″ by yearly consumption. 1,428 use less.

Median 46 This model · 60 5 135 kWh ← uses less · uses more →

Next to it in the ranking

  1. G Mission SG MC35120QWQHD 60 kWh −€0.08
  2. F Voxicon VXD-O40WUHD-P 60 kWh −€0.08
  3. F Japannext JN-5x40 60 kWh
  4. G Philips 40B1U5601H 60 kWh same
  5. G Aopen 40XV1CU 60 kWh same
See the full ranking

What it will cost you

Period JN-5x40 G156F Difference
1 year €17 €3 −€14
5 years €85 €13 −€72
10 years €170 €26 −€144
15 years €254 €39 −€215

Is the more efficient model worth its price?

Years of use

Enter both purchase prices to see the total cost of ownership.

Power in SDR and HDR

SDR 41.0 W
HDR 59.0 W
Group median, SDR 31.5 W

Cost by viewing time

Use kWh / yr € / yr
2 hours a day 30 €8
4 hours a day 60 €17
8 hours a day 120 €34

Same size, lower running cost

On sale, at least 10% less energy, same size group

Model SizeSDR W kWh / yr Saves / year in 10 years
F Japannext JN-5x40 (this model)
40″41.0 60 — —
C ShenzhenGuoruitongTechnologyCoLtd G156F compare
40″6.3 9 €14 €144
C Hannspree HL162CPB(HSG1444) compare
40″7.4 11 €14 €139
A ShiJiRongLi Technology Development X90G compare
39″15.7 23 €10 €105
D Hannspree HL400UPB(HSG1467) compare
40″29.0 42 €5 €50
E Uswing YXW3980 compare
40″31.0 45 €4 €41

Label and product sheet

Energy class SDR / HDR
F / G
On-mode power SDR
41.0 W
On-mode power HDR
59.0 W
Standby / networked standby
0.5 W
Screen diagonal
40″
Resolution
5120×2160
Panel
LED LCD
Refresh rate
60 Hz
Software updates (minimum)
8 years
Guarantee (supplier)
2 years
Spare parts (minimum)
8 years

Model numbers and history

Registered by Japannext under one model number.

JN-5x40

  1. Placed on the EU market
  2. First published in the EU register (EPREL)

Questions

How much does the Japannext JN-5x40 cost to run?

At 4 hours a day it uses about 60 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €17 a year, or €170 over ten years.

Does HDR use more electricity?

Yes. In HDR mode this screen draws 59.0 W instead of 41.0 W, 1.4 times as much. The yearly cost on this page uses SDR, as the label does.